What re the calculations needed to determine the gain for droop control of an Inverter expecially voltage mode control. I want to model a microgrid consist of photovoltaic, wind turbine and storage systems (battery and capacitor) all connected to dc bus and then connect the dc bus to ac bus then connect to grid.
See this paper :
Advanced Control Architectures for Intelligent Microgrids—Part I: Decentralized and Hierarchical Control
Josep M. Guerrero | Mukul Chandorkar | Tzung-Lin Lee | Poh Chiang Loh
IEEE Transactions on Industrial Electronics
Year: 2013 | Volume: 60 | Issue: 4
See this paper :
Advanced Control Architectures for Intelligent Microgrids—Part I: Decentralized and Hierarchical Control
Josep M. Guerrero | Mukul Chandorkar | Tzung-Lin Lee | Poh Chiang Loh
IEEE Transactions on Industrial Electronics
Year: 2013 | Volume: 60 | Issue: 4
as an example
https://ieeexplore.ieee.org/stamp/stamp.jsp?arnumber=7513771
This article show the MATLAB model
Dynamic reverse droop power sharing in microgrid based on neural networks
A basic rule to set the droop gain in the dc grid, first you have to set a maximum deltaV that you may allow at the nominal current Inom.
Then your droop gain (impedance) would be R=deltaV/Inom.
This is explained in many works, for example, in:
Conference Paper Hierarchical control of droop-controlled DC and AC microgrid...
Of course, more advanced analysis and studies are reported in the literature.
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